General information about our pH buffers / calibration:
Available grades:
Technical Quality
The buffer solutions of HANNA instruments include solutions from pH 1.00 to pH 13.00 and allow calibration over the entire pH scale with an accuracy of ± 0.01 pH. The buffer solution series is particularly suitable for pH measurements that require high accuracy. All solutions with certificate of analysis.
millesimal Quality
Accuracy of ± 0.002 pH for calibration of measuring instruments with 0.001 resolution. All solutions in opaque packaging with certificate of analysis.
Standard Quality
Accuracy of ± 0.01 pH in different packaging, with or without a certificate of analysis.
Available packages:
Bottle: 230ml – 500ml – 1L Can: 3.78 L (gal) Individual portions – and virtually always fresh & no contamination risk Shelf life up to 5 years
HI98121 COMBO pH/ORP/°C-Tester, waterproof
HI4013-03 ISE 1000 mg/L (ppm) Nitrate Std , 500 ml Bottle
เครื่องควบคุมค่าความนำไฟฟ้า
Reagents for HI 755 Checker HC ®, 25 Tests
HI98129 COMBO Tester for pH/EC/TDS/C° up to 3999 µS, waterproof
เซ็นเซอร์วัดออกซิเจนในน้ำสำหรับ HI9829 มัลติพารามิเตอร์ 

